Breech, to be or not to be?

We have become so used to hearing c/section that I think we forget how major it is. So major in fact that if we had the choice for safety of mom, you would choose vaginal delivery. So why do some normal, albeit not always common, births just go straight to c/sections? Twins and Breech come to mind but this articlehttp://www.homebirth.net.au/2011/03/mechanism-of-breech.html shows not only the beauty, and normalcy of breech but explains why it's ok! Here's one of many great pictures taken at this great breech vaginal delivery